Bump actions/checkout from 5 to 6 (#168)

Author: dependabot[bot]

.github/workflows/csfix.yml

@@ -15,7 +15,7 @@ jobs:
 
         steps:
             -   name: Checkout
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
                 with:
                     ref: ${{ github.head_ref }}
                     token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/e2e-tests.yml

@@ -37,7 +37,7 @@ jobs:
 
         steps:
             -   name: Checkout
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
 
             -   name: Get tags
                 run: git fetch --tags origin

.github/workflows/php-linter.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: ${{ github.event.client_payload.pull_request.head.repo.full_name }}
           ref: ${{ github.event.client_payload.pull_request.head.ref }}

.github/workflows/static-analysis.yml

@@ -32,7 +32,7 @@ jobs:
 
         steps:
             -   name: Checkout
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
 
             -   name: Get tags
                 run: git fetch --tags origin

.github/workflows/unit-tests.yml

@@ -31,7 +31,7 @@ jobs:
 
         steps:
             -   name: Checkout
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
 
             -   name: Get tags
                 run: git fetch --tags origin